Is CVE-2021-45721 in the CISA KEV catalog?

No. CVE-2021-45721 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-45721?

CVE-2021-45721 has a CVSS v3 base score of 6.1 (MEDIUM).

What is the EPSS score for CVE-2021-45721?

CVE-2021-45721 has an EPSS score of 0.53% (41th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-45721?

Upgrade artifactory to 7.29.8 or later.

CVE & CISA-KEV Catalog

CVE-2021-45721

MEDIUM

6.1

CVSS v3

NVD

Description

JFrog Artifactory prior to version 7.29.8 and 6.23.38 is vulnerable to Reflected Cross-Site Scripting (XSS) through one of the XHR parameters in Users REST API endpoint. This issue affects: JFrog JFrog Artifactory JFrog Artifactory versions before 7.36.1 versions prior to 7.29.8; JFrog Artifactory versions before 6.23.41 versions prior to 6.23.38.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

artifactoryNVD

Affected:>= 7.0.0, < 7.29.8Fixed in:7.29.8CVE-2021-45721derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredHigh

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N

Exploit Intelligence

0.53%probability of exploitation in 30 days

41stpercentile

Moderate risk: more likely to be exploited than 41% of all known CVEs.

References

Patch1

jfrog.com

Vendor Advisory1

jfrog.com

Related Vulnerabilities

Other CWE-79 (Cross-Site Scripting (XSS)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-11022	Medium	6.9	99%	-	Fix
CVE-2019-3929	Critical	9.8	99%	KEV	Fix
CVE-2020-9496	Medium	6.1	99%	-	-
CVE-2023-28341	Medium	6.1	99%	-	Fix
CVE-2018-12998	Medium	6.1	98%	-	-
CVE-2025-4123	High	7.6	98%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.